diff --git a/tests/e2e/offline_inference/test_step_audio2_expansion.py b/tests/e2e/offline_inference/test_step_audio2_expansion.py
index 00fc7bbe2..cac4fbe52 100644
--- a/tests/e2e/offline_inference/test_step_audio2_expansion.py
+++ b/tests/e2e/offline_inference/test_step_audio2_expansion.py
@@ -18,8 +18,8 @@ from tests.helpers.stage_config import get_deploy_config_path
 from vllm_omni.outputs import OmniRequestOutput
 
 MODEL = "stepfun-ai/Step-Audio-2-mini"
-STAGE_CONFIG = get_deploy_config_path("step_audio2_thinker_ci.yaml")
-TEST_PARAMS = [(MODEL, STAGE_CONFIG)]
+DEPLOY_CONFIG = get_deploy_config_path("step_audio2_ci.yaml")
+TEST_PARAMS = [(MODEL, None, {"deploy_config": DEPLOY_CONFIG, "trust_remote_code": True})]
 
 pytestmark = [pytest.mark.slow, pytest.mark.tts]
 
diff --git a/vllm_omni/deploy/step_audio2_thinker_ci.yaml b/vllm_omni/deploy/step_audio2_thinker_ci.yaml
deleted file mode 100644
index 7856ebda9..000000000
--- a/vllm_omni/deploy/step_audio2_thinker_ci.yaml
+++ /dev/null
@@ -1,37 +0,0 @@
-# Stage config for Step-Audio2 CI tests (offline inference, thinker-only).
-# Single Thinker stage (audio/text understanding → text). ASR/text-output
-# tests don't need Token2Wav; a two-stage config would deadlock on stage-1 skip.
-
-# The following config has been verified on 2x 24GB GPU (L4/RTX3090/RTX4090).
-stage_args:
-  - stage_id: 0
-    runtime:
-      process: true
-      devices: "0"
-      max_batch_size: 1
-    engine_args:
-      model_stage: thinker
-      model_arch: StepAudio2ThinkerForConditionalGeneration
-      tensor_parallel_size: 1
-      worker_cls: vllm_omni.worker.gpu_ar_worker.GPUARWorker
-      scheduler_cls: vllm_omni.core.sched.omni_ar_scheduler.OmniARScheduler
-      max_model_len: 4096
-      max_num_batched_tokens: 4096
-      max_num_seqs: 1
-      gpu_memory_utilization: 0.8
-      skip_mm_profiling: true
-      enforce_eager: true
-      trust_remote_code: true
-      enable_prefix_caching: false
-      engine_output_type: text  # Output text + audio tokens
-    is_comprehension: true
-    final_output: true
-    final_output_type: text
-    default_sampling_params:
-      temperature: 0.7
-      top_p: 0.9
-      top_k: -1
-      max_tokens: 256
-      seed: 42
-      detokenize: true
-      repetition_penalty: 1.05